Home / 35,807.31-49,249.76-28,718.19

Finding the Fourth Proportional to 35,807.31, 49,249.76 and 28,718.19

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Solution

The fourth proportional to 35,807.31, 49,249.76 and 28,718.19 is: 39,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.31 : 49,249.76 = 28,718.19 : x
  2. Step 2: Convert to fraction form
    35,807.31/49,249.76 = 28,718.19/x
  3. Step 3: Cross multiply
    35,807.31x = 49,249.76 × 28,718.19
  4. Step 4: Simplify right side
    35,807.31x = 1,414,363,821.54
  5. Step 5: Solve for x
    x = 1,414,363,821.54/35,807.31
  6. Step 6: Final answer
    x = 39,499.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.